Dahlia Taiheiyo
Dahlia Taiheiyo
Dahlia Taiheiyo
Big flowering ornemental Dahlia
Large bulb. Splendid. Wilts quickly once cut.
lilly, 26/08/2025
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This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
The 'Taiheiyo' Decorative Dahlia offers very large flowers of the "dinnerplate" type, 20 to 25 cm in size. With a strong personality, they are composed of white ligules more or less twisted, gathered rather loosely, tinted or speckled with shades of pink and violet. Each flower interprets the distribution of colours in a different way within a sumptuously colourful bouquet. This fairly tall variety is very floriferous. Also superb in bouquets.
Dahlias belong to the large family of asteraceae, originally from the high plateaus of Mexico. Currently, the some 25,000 horticultural varieties created by humans have invaded, to our great pleasure, gardens worldwide. Dahlias are classified according to the shape of their heads. 'Taiheiyo' is a Dahlia from the decorative group with large flowers. The inflorescences are composed of several rows of long and flexible outer ligules, more or less twisted. The heads are opulent and measure up to 25 cm in diameter. The juxtaposition of all these bicolour flowers transforms the plant into a fascinating bouquet. The plant reaches approximately 85 cm to 1 m in height and 50 to 60 cm in width, with a bushy habit. Its leaves, with a smooth texture, are divided into very denticulate lobes. The flowering of this variety begins in July and ends in October, if care is taken to remove faded flowers or to make bouquets frequently.
Today, essential in gardens, Dahlias were initially cultivated in Mexico as a root vegetable. Their poor taste quickly relegated them to the status of ornamental plants, but they are still welcome in the vegetable garden to bring some colour among the vegetables and supply a reserve of cut flowers. 'Taiheiyo', with its strong personality, can be used alone, or enhanced by a setting of grasses (Stipa, Pennisetum, Foxtail Barley, Carex...) or panicle phlox and white, pink, or red cosmos. It could also be combined with bush roses, in colour harmony.
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Taiheiyo
Asteraceae
Big flowering ornemental Dahlia
Cultivar or hybrid
Planting and care
The Dahlia 'Taiheiyo’ is easy to grow in all regions. For abundant flowering, it is good to follow a few simple rules, plant the tubers in a sunny location from the last frosts, rich, fresh, and well-drained soils are perfect. However, stagnant moisture would promote tuber rot. Feel free to amend the soil with compost and sand if needed. Work the soil deeply and enrich it, for example with crushed horn or dehydrated blood. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6 cm of soil. At the end of planting, water generously once and then repeat this watering regularly during the first 6 weeks to aid rooting. Stake tall varieties that may lean over in rain and wind.
Dahlias are sensitive to cold, they need to be overwintered. In November, the first frosts blacken the foliage, it's time to dig them up. Carefully dig up the tubers. Remove as much soil as possible. Let the foliage dry so the tubers can replenish their reserves. Then cut the stems to 10 cm. Spread your bulbs in a crate on newspaper. Store them protected from frost in a dry, cool, dark place, such as a frost-free garage or attic for example. In the southern regions, close to the coast, experiencing few frosty days per year, it is possible to leave them in place. In this case, simply cover the ground with a layer of leaves or straw for protection.
This tall Dahlia, with its hollow stems, does not withstand wind or heavy rain well. To overcome this drawback, you can stake it, but let's agree, it's not very aesthetic. However, by pinching the stems early or removing the axial flower buds, you will spread out the plant's habit, offering more resistance to bad weather. At the same time, you are channeling the flow of sap to a single flower that will become larger and sturdier.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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